Jason schrieb: (...) >>> This would be my first work for lk, though. I'm relatively new to >>> kernelspace. Recently, I patched Intel's [3] GPL and BSD code for the >>> ixp400_eth driver to work against vanilla 2.6.18.8 running on an ixp425 >>> (baby steps to current :-) ). >>> >>> Speaking of ixp400_eth, would it be possible to merge that one as well? >>> They have a very clean licensing line. The patch to the kernel tree is >>> GPL (for ixp400_eth.ko), the code outside the tree (for ixp400.ko) is >>> BSD, and the firmware is IPL [4]. How big of an issue is the >>> firmware/IPL? >> An even better ixp400 patch was posted by Krzysztof Halasa on lkml in >> May 2007. There was some vivid discussion, but I didn't see any follow >> ups since then. > > Do you have a link? Oh, just search lkml around for "ixp400" and "Krzysztof Halasa", I'm sure you'll find it. Best you could do is: 1) contact Krzysztof Halasa, and ... >> Speaking of which opens yet another Pandora's box - projects like >> OpenWRT or NSLU2-Linux (which already use Krzysztof's ixp400 patches) >> always patch the kernels quite a bit in order to support all these ARM >> and MIPS devices... Slowly, some of these patches get merged into >> mainline, though, but sometimes, it looks like they might need some help. > > The patch I've currently put together allows ixp400 code to compile > against *vanilla* 2.6.18.8. I'm in the process of testing in now. Once > I make sure it runs, I'll start moving the patch toward targeting the > mainline kernel. > > I initially tried to make it compile against 2.6.23, but there were too > many changes to do it right. So, I figured I'd start with 2.6.18.8 > (only because it was the closest gentoo stable vanilla kernel to the > version Intel/Timesys suggested using), then move up making small > changes along the way. 2) contact NSLU2-Linux people and ask them about remaining issues in this driver. Originally, Krzysztof's ixp400 driver supported only big endian machines; I see NSLU2 patches have support for little endian, too (and work with 2.6.23). http://trac.nslu2-linux.org/kernel/browser/trunk/patches/2.6.23 -- Tomasz Chmielewski http://blog.wpkg.org
